What Is One Rep Max Calculator?
Estimates only — lift safely.
How to Use One Rep Max Calculator
Enter weight lifted and reps (≤12).
How Does One Rep Max Calculator Work?
Estimates only — lift safely.
Formula
Epley: w × (1 + r/30)
Important Notes
Results depend on the inputs and assumptions shown on this page. Construction and finance figures are estimates. Islamic calendar conversions follow a documented algorithm and may differ from local moon sighting. Health-related tools are informational only.